Patents for H03H 17 - Networks using digital techniques (9,654) |
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03/07/2002 | US20020027480 Method to find a value within a range using weighted subranges |
03/07/2002 | DE10039666A1 Digital signal phase and frequency estimation method involves reducing sampling rate of summed phase values, delaying phase values, such that resultant phase and frequency are constant over preset intervals |
03/06/2002 | EP1184981A2 Oversampling fir filter, method for controlling the same and its use in a communication system |
03/06/2002 | EP1184980A2 Digital receiver |
03/06/2002 | CN1339216A Demodulator for processing digital signal |
02/28/2002 | WO2002017488A1 Partitioned block frequency domain adaptive filter |
02/28/2002 | WO2002017486A1 Method for efficient and zero latency filtering in a long impulse response system |
02/28/2002 | US20020025007 Receiver |
02/28/2002 | US20020024526 Processing of a data set |
02/27/2002 | EP1182815A1 Matched filter and method for determining correlation |
02/27/2002 | CN1338149A Low-power programmable digital filter |
02/26/2002 | US6351759 Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof |
02/26/2002 | US6351457 Method of and apparatus for identifying unknown system |
02/26/2002 | US6351451 Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture |
02/21/2002 | US20020023115 Oversampling FIR filter, method for controlling the same, semiconductor integrated circuit having the same, and communication system for transmitting data filtered by the same |
02/21/2002 | US20020023066 Biologically-based signal processing system applied to noise removal for signal extraction |
02/21/2002 | US20020021686 System for using rapid acquisition spreading codes for spread-spectrum communications |
02/21/2002 | US20020021153 Clock controlling method and circuit |
02/20/2002 | CN1336602A Processor for data set |
02/19/2002 | US6349118 Digital channelizer having efficient architecture for cyclic shifting and method of operation thereof |
02/19/2002 | US6349112 Adaptive equalizer compensating signal distortion on transmission path |
02/14/2002 | WO2001058017A3 Fir filter tap architecture for highly dense layout |
02/14/2002 | US20020017965 Method to find a value within a range using weighted subranges |
02/14/2002 | DE10036703A1 Method and device for correcting a resampler subjects a scanned-in input signal to an input scanning rate while using a chip frequency varying from an input frequency and a scan rate of an output signal matching the chip frequency. |
02/13/2002 | EP1012969B1 Wideband channelization with variable sampling frequency |
02/13/2002 | EP0972356B1 Combined parallel adaptive equalizer/echo canceller |
02/13/2002 | CN1335677A Clock control method and electric circuit |
02/12/2002 | US6347288 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method |
02/12/2002 | US6347123 Low-current sample rate converter |
02/07/2002 | WO2002009582A2 Method and apparatus for a morphology-preserving smoothing |
02/07/2002 | US20020016691 Signal analyzing apparatus |
02/07/2002 | US20020015504 Mixing apparatus with recording/reproducing function |
02/06/2002 | EP1178687A1 Processing data packets having valid and some non-valid data items |
02/06/2002 | CN1078983C Fractionally spaced equalizing circuits and method |
02/05/2002 | US6345077 Correlation detecting method and matched filter unit |
02/05/2002 | CA2108663C Filtering method and device for reducing digital audio signal pre-echoes |
02/05/2002 | CA2069547C Sample rate converting filter |
01/31/2002 | WO2002009091A1 Frequency thinning device and method for compressing information by thinning out frequency components of signal |
01/31/2002 | WO2001071931A3 Digital tuner with optimized clock frequency and integrated parallel cic filter and local oscillator |
01/31/2002 | US20020013798 Low-power pulse-shaping digital filters |
01/31/2002 | US20020012416 Method to find a value within a range using weighted subranges |
01/31/2002 | US20020012390 Filter coefficient generator |
01/31/2002 | US20020012389 Digital filter for IQ-generation, noise shaping and neighbour channel suppression |
01/30/2002 | EP1176717A1 Programmable filter architecture |
01/29/2002 | US6343130 Stereophonic sound processing system |
01/24/2002 | US20020010728 Processor for FIR filtering |
01/24/2002 | US20020010727 Area efficient fir filter with programmable coefficients |
01/24/2002 | DE19934296C2 Prüfanordnung und Verfahren zum Testen eines digitalen elektronischen Filters Testing arrangement and method for testing a digital electronic filter |
01/24/2002 | DE10033575A1 Digital signal frequency estimation method, involves superimposing triangular pulse signals output by differentiators and integrators, which are shifted by specific time period to form trapezoidal pulse signals |
01/24/2002 | DE10032520A1 Interpolationsfilter und Verfahren zur digitalen Interpolation eines digitalen Signals And interpolation method for digital interpolation of a digital signal |
01/23/2002 | EP1175054A1 Receiver |
01/23/2002 | CN1332910A Circuit for multi-standard communications terminal |
01/17/2002 | US20020006160 Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter |
01/17/2002 | US20020005071 Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal |
01/17/2002 | DE10045200C1 Transversal filter with finite impulse response e.g. for audio signals, has given group of calculated filter coefficients for symmetrical transversal filter suppressed with remaining filter coefficients unchanged |
01/15/2002 | CA2100110C Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same |
01/10/2002 | WO2002003550A1 Interpolation filter and method for digitally interpolating a digital signal |
01/10/2002 | WO2002003382A1 Method of converting line spectral frequencies back to linear prediction coefficients |
01/10/2002 | US20020003844 Circuit configuration for a multistandard communications terminal |
01/09/2002 | EP1170863A2 Fir filter and setting method of coefficient thereof |
01/09/2002 | CN1330809A Odd-transform fast convolution |
01/09/2002 | CN1077743C Poly-phase filter, apparatus for compensating for timing error using the same and method |
01/08/2002 | US6338077 Transfer function implementation using digital impedance synthesis |
01/08/2002 | US6337645 Filter for digital-to-analog converters |
01/08/2002 | US6337636 System and techniques for seismic data acquisition |
01/03/2002 | US20020002572 Fir filter,method of operating the same, semiconductor integrated circuit including fir filter, and communication system for transmiting data filtered by fir filter |
01/03/2002 | US20020000929 Signal processor with local signal behavior and predictive capability |
01/03/2002 | US20020000891 Method to find a value within a range using weighted subranges |
01/03/2002 | US20020000874 Band pass filter with improved group delay |
01/03/2002 | US20020000842 Amplitude detecting circuit |
01/03/2002 | DE10029424A1 Digitales Interpolationsfilter Digital interpolation filter |
01/02/2002 | EP1168630A2 Amplitude detecting circuit |
01/02/2002 | EP1168615A1 Transpose FIR filter architecture |
01/02/2002 | EP1166442A1 Complex matched filter with reduced power consumption |
01/02/2002 | EP1023727B1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
01/02/2002 | CN1329412A Phase adjustable baseband filtering optimization implementing method and its equipment |
01/01/2002 | CA2059141C Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio |
12/27/2001 | WO2001099279A1 Signal peak reduction circuit for non-constant envelope modulation signals |
12/27/2001 | WO2001099277A1 Universal sampling rate converter for digital audio frequencies |
12/27/2001 | WO2001056154A3 Digital filter |
12/27/2001 | US20010056450 Transpose FIR filter architecture |
12/26/2001 | CN1328732A Reduced complexity and increased flexibility modified fast convolution algorithm |
12/26/2001 | CN1328684A Periodicity enhancement in decoding wideband signals |
12/26/2001 | CN1328683A High frequency content recovering methd and device for over-sampled synthesized wideband signal |
12/26/2001 | CN1328682A Perceptual weighting device and method for efficient coding of wideband signals |
12/26/2001 | CN1328681A Method and device for adaptive bandwidth pitch search in coding wideband signals |
12/26/2001 | CN1328381A Method and device for implementing N-order interpolation filter |
12/26/2001 | CN1076924C Fir filter apparatus for processing of time division multiplexed signals |
12/25/2001 | CA2250554C Transceiver apparatus employing wideband fft channelizer and inverse fft combiner for multichannel communication network |
12/20/2001 | WO2001097475A1 Channel equalizer |
12/20/2001 | WO2001097376A1 Digital interpolation filter |
12/19/2001 | EP1164704A1 Oversampling circuit and digital/analog converter |
12/19/2001 | EP1164385A2 Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal |
12/19/2001 | EP1163721A1 Filter for digital to analog converters |
12/19/2001 | EP1075734B1 Nonlinear system, method of design thereof and computer program product |
12/18/2001 | US6332151 Time discrete filter |
12/18/2001 | US6332136 Fuzzy filtering method and associated fuzzy filter |
12/18/2001 | US6332000 Time division equalizer using system clock signal faster than symbol clock signal in high-speed communication |
12/18/2001 | CA2209409C Adaptive speech filter |
12/13/2001 | WO2001045253A3 Circuit arrangement and a method for the offset compensation of a signal |